Looks pretty cool, plus the Outlook plugin, for those millions of business users who are still shackled to using Outlook could be very interesting for anyone else looking to develop Open Source Outlook plugins. And the rest of the features look pretty nice too.

vtiger
CRM release 3.0 Beta is a web-based, free, open source Customer
Relationship Management (CRM) software mainly for sales people working
in small and medium businesses. Sales people can use vtiger CRM to manage
leads, accounts, contacts, and opportunities effectively. Also, they can
also track daily tasks, meetings, and e-mails smoothly.

First time vtiger Outlook Plug-in is released as open source project in SourceForge with features, such as synchronize contacts in Microsoft Outlook with vtiger CRM and vice-a-versa. Also, users can add all important customer e-mails in vtiger CRM.

The installation of vtiger CRM software is improved further allowing existing LAMP/WAMP users to install the vtiger CRM smoothly.